#3553C6#3553C6

#3553C6 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.182 H 267.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3553C6
RGB	rgb(53, 83, 198)
HSL	hsl(228, 58%, 49%)
HSV	hsv(228, 73%, 78%)
CMYK	cmyk(73.2%, 58.1%, 0%, 22.4%)
CIE-LAB	lab(39.61, 28.99, -63.17)
CIE-LCH	lch(39.61, 69.50, 294.65°)
OKLab	oklab(49.04% -0.0068 -0.1823)
OKLCH	oklch(49.04% 0.182 267.8)
XYZ	xyz(14.7510, 11.0190, 54.7646)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3553C6 #C6A835

analogous

#359CC6 #3553C6 #6035C6

triadic

#3553C6 #C63553 #53C635

tetradic

#3553C6 #C6359C #C6A835 #35C660

square

#3553C6 #C6359C #C6A835 #35C660

split-complementary

#3553C6 #C66035 #9CC635

monochromatic

#1B2B65 #283F96 #3553C6 #637BD5 #93A4E2

Accessibility & contrast

On white

6.55

#3553C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3553C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3553C6

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3553C6	#FFFFFF	#000000	##FFFFFF
##3553C6	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CA

Deuteranopia (green-blind)

#0057C4

Tritanopia (blue-blind)

#007084

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3553c6;
/* rgb */ color: rgb(53, 83, 198);
/* oklch */ color: oklch(49.0% 0.182 267.8);

Tailwind

colors: {
  custom: {
    50: '#8083d8',
    500: '#3553c6',
    950: '#000000',
  },
}

SCSS

$custom: #3553c6;
$custom-light: #8083d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3553c6",
  "rgb": {
    "r": 53,
    "g": 83,
    "b": 198
  },
  "hsl": {
    "h": 227.586,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49039,
    "c": 0.18239,
    "h": 267.8
  },
  "luminance": 0.11021
}

Semantic roles & 50–950 ramp

primary

#3553C6

secondary

#CDBF8A

accent

#C147E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3553C6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →